<?php

namespace app\index\controller;

use think\Controller;
use think\Lang;

/**
 * Ajax异步请求接口
 * @internal
 */
class Ajax extends Controller
{

    protected $noNeedLogin = ['lang'];
    protected $noNeedRight = ['*'];
    protected $layout = '';

    /**
     * 加载语言包
     */
    public function lang()
    {
        header('Content-Type: application/javascript');
        $callback = $this->request->get('callback');
        $controllername = input("controllername");
        $this->loadlang($controllername);
        //强制输出JSON Object
        $result = 'define(' . json_encode(Lang::get(), JSON_FORCE_OBJECT | JSON_UNESCAPED_UNICODE) . ');';
        return $result;
    }
    
    /**
     * 上传文件
     */
    public function upload()
    {
        return action('api/common/upload');
    }
    public function uploads()
    {
        header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
        header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
        header("Cache-Control: no-store, no-cache, must-revalidate");
        header("Cache-Control: post-check=0, pre-check=0", false);
        header("Pragma: no-cache");
        if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
            exit; // finish preflight CORS requests here
        }
        if ( !empty($_REQUEST[ 'debug' ]) ) {
            $random = rand(0, intval($_REQUEST[ 'debug' ]) );
            if ( $random === 0 ) {
                header("HTTP/1.0 500 Internal Server Error");
                exit;
            }
        }
        $targetDir = 'uploads'.DIRECTORY_SEPARATOR.'file_material_tmp';
        $uploadDir = 'uploads'.DIRECTORY_SEPARATOR.'file_material'.DIRECTORY_SEPARATOR.date("Ymd");
        $cleanupTargetDir = true; // Remove old files
        $maxFileAge = 5 * 3600; // Temp file age in seconds

        // Create target dir
        if (!file_exists($uploadDir)) {
            @mkdir($uploadDir);
        }
        // Get a file name
        if (isset($_REQUEST["name"])) {
            $fileName = $_REQUEST["name"];
        } elseif (!empty($_FILES)) {
            $fileName = $_FILES["file"]["name"];
        } else {
            $fileName = uniqid("file_");
        }
        $oldName = $fileName;
        $filePath = $targetDir . DIRECTORY_SEPARATOR . $fileName;
        // $uploadPath = $uploadDir . DIRECTORY_SEPARATOR . $fileName;
        // Chunking might be enabled
        $chunk = isset($_REQUEST["chunk"]) ? intval($_REQUEST["chunk"]) : 0;
        $chunks = isset($_REQUEST["chunks"]) ? intval($_REQUEST["chunks"]) : 1;
        // Remove old temp files
        if ($cleanupTargetDir) {
        if (!is_dir($targetDir) || !$dir = opendir($targetDir)) {
            die('{"jsonrpc" : "2.0", "error" : {"code": 100, "message": "Failed to open temp directory."}, "id" : "id"}');
        }
        while (($file = readdir($dir)) !== false) {
            $tmpfilePath = $targetDir . DIRECTORY_SEPARATOR . $file;
            // If temp file is current file proceed to the next
            if ($tmpfilePath == "{$filePath}_{$chunk}.part" || $tmpfilePath == "{$filePath}_{$chunk}.parttmp") {
            continue;
            }
            // Remove temp file if it is older than the max age and is not the current file
            if (preg_match('/\.(part|parttmp)$/', $file) && (@filemtime($tmpfilePath) < time() - $maxFileAge)) {
            @unlink($tmpfilePath);
            }
        }
        closedir($dir);
        }

        // Open temp file
        if (!$out = @fopen("{$filePath}_{$chunk}.parttmp", "wb")) {
            die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');
        }
        if (!empty($_FILES)) {
            if ($_FILES["file"]["error"] || !is_uploaded_file($_FILES["file"]["tmp_name"])) {
            die('{"jsonrpc" : "2.0", "error" : {"code": 103, "message": "Failed to move uploaded file."}, "id" : "id"}');
            }
        // Read binary input stream and append it to temp file
        if (!$in = @fopen($_FILES["file"]["tmp_name"], "rb")) {
            die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}');
            }
        } else {
            if (!$in = @fopen("php://input", "rb")) {
                die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}');
            }
        }
        while ($buff = fread($in, 4096)) {
            fwrite($out, $buff);
        }
        @fclose($out);
        @fclose($in);
        rename("{$filePath}_{$chunk}.parttmp", "{$filePath}_{$chunk}.part");
        $index = 0;
        $done = true;
        for( $index = 0; $index < $chunks; $index++ ) {
            if ( !file_exists("{$filePath}_{$index}.part") ) {
                $done = false;
                break;
            }
        }

        if ( $done ) {
            $pathInfo = pathinfo($fileName);
            $hashStr = substr(md5($pathInfo['basename']),8,16);
            $hashName = time() . $hashStr . '.' .$pathInfo['extension'];
            $uploadPath = $uploadDir . DIRECTORY_SEPARATOR .$hashName;

            if (!$out = @fopen($uploadPath, "wb")) {
                die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');
            }
            if ( flock($out, LOCK_EX) ) {
                for( $index = 0; $index < $chunks; $index++ ) {
                    if (!$in = @fopen("{$filePath}_{$index}.part", "rb")) {
                        break;
                    }
                    while ($buff = fread($in, 4096)) {
                        fwrite($out, $buff);
                    }
                    @fclose($in);
                    @unlink("{$filePath}_{$index}.part");
                }
                flock($out, LOCK_UN);
            }
            @fclose($out);
            $response = [
                'success'=>true,
                'oldName'=>$oldName,
                'filePaht'=>$uploadPath,
                'fileSuffixes'=>$pathInfo['extension'],
            ];
            return json_encode($response);
        }
    }

    public function sendSms()
    {
        if ($this->request->isAjax()) {
            $tel = $this->request->post('tel');
            $type = $this->request->post('type');

            $model = new \app\admin\model\user\User;
            $res = $model->where('tel', $tel)->find();
            if ($type == 1) {
                if ($res) $this->error('手机号已被注册，请登录');
            } elseif ($type == 2) {
                if (!$res) $this->error('手机号不存在，请重新输入');
            }

            $alisms = new \addons\alisms\library\Alisms();
            $code['code'] = rand(10000, 99999);
            session('code', $code['code']);
            $ret = $alisms->mobile($tel)
                ->template('SMS_145860217')
                ->sign('智识医学')
                ->param($code)
                ->send();
            if ($ret)
            {
                $this->success("发送成功");
            }
        }
        $this->error('发送失败');
    }

    public function checkCode()
    {
        if ($this->request->isAjax()) {
            if (session('code') == $this->request->post('code')) {
                $this->success('验证码正确');
            }
            $this->error('验证码不正确');
        }
    }

}
